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https://www.readbyqxmd.com/read/28214980/sil2r-ratio-as-early-marker-for-response-in-hairy-cell-leukemia-and-the-prognostic-relevance-of-il28b-genotype-to-interferon-%C3%AE-therapy
#1
Stéphanie Jud, Jeroen S Goede, Oliver Senn, Katharina Spanaus, Markus G Manz, Rudolf Benz
Interferon-α (IFNα) was the first effective drug therapy for hairy cell leukemia (HCL). Nowadays, it is used as an alternative treatment in selected patients. Due to unlimited treatment time, monitoring and early prediction of response are important. Moreover, IFNα is used in the therapy of chronic hepatitis C, where a single nucleotide polymorphism of interleukin-28B gene (IL28B) correlates with therapy response. The role of this polymorphism in therapy response of IFNα-treated patients with HCL is unknown...
February 18, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28214971/complete-occipitalization-of-the-atlas-with-bilateral-external-auditory-canal-atresia
#2
Janez Dolenšek, Erika Cvetko, Žiga Snoj, Marija Meznaric
Fusion of the atlas with the occipital bone is a rare congenital dysplasia known as occipitalization of the atlas, occipitocervical synostosis, assimilation of the atlas, or atlanto-occipital fusion. It is a component of the paraxial mesodermal maldevelopment and commonly associated with other dysplasias of the craniovertebral junction. External auditory canal atresia or external aural atresia is a rare congenital absence of the external auditory canal. It occurs as the consequence of the maldevelopment of the first pharyngeal cleft due to defects of cranial neural crest cells migration and/or differentiation...
February 18, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28214897/mir-125b-regulates-the-osteogenic-differentiation-of-human-mesenchymal-stem-cells-by-targeting-bmpr1b
#3
Huaqing Wang, Zhao Xie, Tianyong Hou, Zhiqiang Li, Ke Huang, Jicheng Gong, Wei Zhou, Kanglai Tang, Jianzhong Xu, Shiwu Dong
BACKGROUND/AIMS: Osteogenic differentiation of mesenchymal stem cells (MSCs) plays a crucial role in bone regeneration and bone reparation. This complex process is regulated precisely and firmly by specific factors. Recent studies have demonstrated that miR-125b regulates osteogenic differentiation, but little is known about the molecular mechanisms of this regulation. Furthermore, how miR-125b regulates the osteogenic differentiation of MSCs still needs elucidation. METHODS: In the present study, human bone marrow-derived mesenchymal stem cells (hBMSCs) were isolated and induced to osteoblasts with miR-125b inhibition or overexpression...
January 31, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214894/mechanical-loading-improves-tendon-bone-healing-in-a-rabbit-anterior-cruciate-ligament-reconstruction-model-by-promoting-proliferation-and-matrix-formation-of-mesenchymal-stem-cells-and-tendon-cells
#4
Fanglong Song, Dawei Jiang, Tianchen Wang, Yi Wang, Fengmei Chen, Guoxing Xu, Yifan Kang, Yinquan Zhang
BACKGROUND/AIMS: This study investigated the effect of mechanical stress on tendon-bone healing in a rabbit anterior cruciate ligament (ACL) reconstruction model as well as cell proliferation and matrix formation in co-culture of bone-marrow mesenchymal stem cells (BMSCs) and tendon cells (TCs). METHODS: The effect of continuous passive motion (CPM) therapy on tendon-bone healing in a rabbit ACL reconstruction model was evaluated by histological analysis, biomechanical testing and gene expressions at the tendon-bone interface...
February 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214889/regulatory-role-of-mirna-375-in-expression-of-bmp15-gdf9-receptors-and-its-effect-on-proliferation-and-apoptosis-of-bovine-cumulus-cells
#5
Hongyan Chen, Chang Liu, Hao Jiang, Yan Gao, Mingqiang Xu, Jiawei Wang, Siyuan Liu, Yao Fu, Xulei Sun, Jiajun Xu, Jiabao Zhang, Lisheng Dai
BACKGROUND: Bone morphogenetic protein 15 (BMP15) and growth differentiation factor 9 (GDF9) are members of the transforming growth factor beta (TGF-β) superfamily. Through autocrine and paracrine mechanisms, these two factors can regulate cell differentiation, proliferation, and other functions in the ovary locally. Furthermore, GDF9 and BMP15 play vital roles in follicular growth, atresia, ovulation, fertilization, reproduction, and maintenance. Numerous studies have demonstrated a synergy between BMP15 and GDF9...
January 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214873/nel-like-molecule-1-nell1-is-regulated-by-bone-morphogenetic-protein-9-bmp9-and-potentiates-bmp9-induced-osteogenic-differentiation-at-the-expense-of-adipogenesis-in-mesenchymal-stem-cells
#6
Jing Wang, Junyi Liao, Fugui Zhang, Dongzhe Song, Minpeng Lu, Jianxiang Liu, Qiang Wei, Shengli Tang, Hao Liu, Jiaming Fan, Yulong Zou, Dan Guo, Jiayi Huang, Feng Liu, Chao Ma, Xue Hu, Li Li, Xiangyang Qu, Liqun Chen, Yaguang Weng, Michael J Lee, Tong-Chuan He, Russell R Reid, Jiye Zhang
BACKGROUND: BMP9 induces both osteogenic and adipogenic differentiation of mesenchymal stem cells (MSCs). Nell1 is a secretory glycoprotein with osteoinductive and anti-adipogenic activities. We investigated the role of Nell1 in BMP9-induced osteogenesis and adipogenesis in MSCs. METHODS: Previously characterized MSCs iMEFs were used. Overexpression of BMP9 and NELL1 or silencing of mouse Nell1 was mediated by adenoviral vectors. Early and late osteogenic and adipogenic markers were assessed by staining techniques and qPCR analysis...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214864/a-comparative-study-of-intravenous-injection-form-and-oral-jelly-form-of-alendronate-sodium-hydrate-for-bone-mineral-disorder-after-gastrectomy
#7
Chikara Kunisaki, Yusaku Tanaka, Takashi Kosaka, Hiroshi Miyamoto, Sho Sato, Hideaki Suematsu, Norio Yukawa, Kei Sato, Yusuke Izumisawa, Hirotoshi Akiyama, Masataka Taguri, Takeharu Yamanaka, Itaru Endo
BACKGROUND/AIMS: Osteoporosis is found to have high prevalence after gastrectomy and therefore, it is important to prevent this condition by means of effective medication, such as alendronate sodium hydrate. METHODS: A total number of 48 gastric cancer patients diagnosed with osteoporosis after R0 gastrectomy was registered in this study between December 2013 and August 2014. Twenty-three patients received intravenous (i.v.) alendronate sodium hydrate and 25 patients received the drug in an oral jelly form...
February 18, 2017: Digestion
https://www.readbyqxmd.com/read/28214837/efficacy-of-glucosamine-sulphate-in-skin-ageing-results-from-an-ex-vivo-anti-ageing-model-and-a-clinical-trial
#8
Audrey Gueniche, Isabelle Castiel-Higounenc
BACKGROUND: Glucosamine sulphate (GS) is essential in the biosynthesis of glycolipids, glycoproteins, glycosaminoglycans (GAGs), hyaluronate, and proteoglycans. Connective tissues primarily contain collagen and proteoglycans and play an important role in skin ageing. OBJECTIVE: The objectives were to assess ex vivo the impact of GS on skin ageing parameters and in vivo the effect of GS on the skin physiology of mature healthy volunteers after oral intake. METHODS: The impact of GS on skin ageing was assessed ex vivo via different immunohistochemical assays and histology and via a clinical study using biopsies...
February 18, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28214835/up-regulation-of-tgf-%C3%AE-promotes-tendon-to-bone-healing-after-anterior-cruciate-ligament-reconstruction-using-bone-marrow-derived-mesenchymal-stem-cells-through-the-tgf-%C3%AE-mapk-signaling-pathway-in-a-new-zealand-white-rabbit-model
#9
Rui Wang, Bin Xu, Hong-Gang Xu
BACKGROUND/AIMS: This study aimed to explore the role of TGF-β in tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction using bone marrow-derived mesenchymal stem cells (BMSCs) through the TGF-β/MAPK signaling pathway in a New Zealand white rabbit model. METHODS: A total of 72 healthy male New Zealand white rabbits were selected for these experiments. Flow cytometry and immunofluorescence were used to detect the expression of BMSC surface markers, and qRT-PCR was performed to detect TGF-β mRNA expression...
January 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214774/multimodality-imaging-of-bone-marrow-derived-dendritic-cell-migration-and-antitumor-immunity
#10
Su-Bi Ahn, Sang Bong Lee, Thoudam Debraj Singh, Sung Jin Cho, Sang Kyoon Kim, In-Kyu Lee, Shin Young Jeong, Byeong-Cheol Ahn, Jaetae Lee, Sang-Woo Lee, Yong Hyun Jeon
Here, we sought to monitor bone marrow-derived dendritic cell (BMDC) migration and antitumor effects using a multimodal reporter imaging strategy in living mice. BMDCs were transduced with retroviral vector harboring human sodium iodide symporter (hNIS, nuclear imaging reporter), firefly luc2 (optical imaging reporter), and thy1.1 (surrogate marker of NIS and luc2) genes (BMDC/NF cells). No significant differences in biological functions, including cell proliferation, antigen uptake, phenotype expression, and migration ability, were observed between BMDC and BMDC/NF cells...
February 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28214773/the-usefulness-of-bone-biomarkers-for-monitoring-treatment-disease-a-comparative-study-in-osteolytic-and-osteosclerotic-bone-metastasis-models
#11
Marta Martín-Fernández, Karmele Valencia, Carolina Zandueta, Cristina Ormazábal, Susana Martínez-Canarias, Fernando Lecanda, Concepción de la Piedra
BACKGROUND: The skeleton is the most common site of colonization by metastatic cancers. Zoledronic acid (ZA) has been shown to be effective for the treatment of bone metastases regardless of whether the bone lesions are osteolytic or osteoblastic. Biochemical markers of bone turnover may be useful tools to quantify the degree of bone remodeling in the presence of bone metastases. The aim of this work was to establish the correlation between tumor dispersion (bioluminescence) and biochemical markers of bone turnover in two osteolytic and osteoblastic metastasis models in mice...
February 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28214734/developmental-toxicity-and-molecular-responses-of-marine-medaka-oryzias-melastigma-embryos-to-ciguatoxin-p-ctx-1-exposure
#12
Meng Yan, Priscilla T Y Leung, Jack C H Ip, Jin-Ping Cheng, Jia-Jun Wu, Jia-Rui Gu, Paul K S Lam
Ciguatoxins are produced by toxic benthic dinoflagellates and cause ciguatera fish poisoning worldwide, but the toxic effects on developing marine fish have not been well investigated. The Pacific ciguatoxin (P-CTX-1), is a potent sodium channel agonist, which is one of the most toxic members among all CTXs. This study evaluated the toxic effects of microinjecting purified Pacific ciguatoxin-1 (P-CTX-1) on embryonic development of marine medaka Oryzias melastigma. A lower 96h-LD50 value was estimated for eleuthero-embryos (1...
February 10, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28214625/curcumin-functionalized-silk-biomaterials-for-anti-aging-utility
#13
Lei Yang, Zhaozhu Zheng, Cheng Qian, Jianbing Wu, Yawen Liu, Shaozhe Guo, Gang Li, Meng Liu, Xiaoqin Wang, David L Kaplan
Curcumin is a natural antioxidant that is isolated from turmeric (Curcuma longa) and exhibits strong free radical scavenging activity, thus functional for anti-aging. However, poor stability and low solubility of curcumin in aqueous conditions limit its biomedical applications. Previous studies have shown that the anti-oxidation activity of curcumin embedded in silk fibroin films could be well preserved, resulting in the promoted adipogenesis from human mesenchymal stem cells (hMSCs) cultured on the surface of the films...
February 2, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214610/virosome-bound-antigen-enhances-dc-dependent-specific-cd4-t-cell-stimulation-inducing-a-th1-and-treg-profile-in-vitro
#14
Rebecca A M Blom, Mario Amacker, Christian Moser, R Maarten van Dijk, Raffaela Bonetti, Emilie Seydoux, Sean R R Hall, Christophe von Garnier, Fabian Blank
There is considerable interest to develop antigen-carriers for immune-modulatory clinical applications, but insufficient information is available on their effects on antigen-presenting cells. We employed virosomes coupled to ovalbumin (OVA) to study their interaction with murine bone marrow-derived dendritic cells (BMDCs) and modulation of downstream T cell responses. BMDCs were treated in vitro with virosomes or liposomes prior to determining BMDC phenotype, viability, and intra-cellular trafficking. Antigen-specific CD4(+) T cell activation was measured by co-culture of BMDCs with DO11...
February 15, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28214531/the-skeletal-developmental-toxicity-of-chlormequat-chloride-and-its-underlying-mechanisms
#15
Dan Huang, Shuang Wu, Xiaohong Hou, Lixia Jia, Qinghe Meng, Hongqian Chu, Jianjun Jiang, Lanqin Shang, Weidong Hao
Chlormequat Chloride (CCC), a widely used plant growth regulator, could decrease body weight in animals; however, the mechanism has not been well studied. This study was designed to evaluate the skeletal development toxicity of CCC on pubertal male Sprague-Dawley (SD) rats and to investigate whether CCC impacts the development of chondrocyte, osteoblast and osteoclast through growth hormone (GH) and insulin like growth factor 1 (IGF-I). Rats from 23 to 70 on postnatal days were exposed to CCC daily by gavage at doses of 0, 75, 150, and 300mg/kg bw/d...
February 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28214472/bmp-12-activates-tenogenic-pathway-in-human-adipose-stem-cells-and-affects-their-immunomodulatory-and-secretory-properties
#16
Weronika Zarychta-Wiśniewska, Anna Burdzinska, Agnieszka Kulesza, Kamila Gala, Beata Kaleta, Katarzyna Zielniok, Katarzyna Siennicka, Marek Sabat, Leszek Paczek
BACKGROUND: Cell-based therapy is a treatment method in tendon injuries. Bone morphogenic protein 12 (BMP-12) possesses tenogenic activity and was proposed as a differentiating factor for stem cells directed to transplantation. However, BMPs belong to pleiotropic TGF-β superfamily and have diverse effect on cells. Therefore, the aim of this study was to determine if BMP-12 induces tenogenic differentiation of human adipose stem cells (hASCs) and how it affects other features of this population...
February 18, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28214462/the-arthroscopic-latarjet-a-bony-solution-for-a-bony-injury
#17
David Ding, Robert Meislin
Treatment of shoulder instability has greatly evolved over the past century. Open capsulolabral repairs and bony augmentation procedures have slowly been replaced with arthroscopy. As arthroscopy and arthroscopic instruments have improved, surgeons have gravitated toward more minimally invasive procedures. The open Latarjet procedure has been historically very successful in preventing recurrent shoulder dislocation. While there is a steep learning curve, the arthroscopic Latarjet procedure as developed by Lafosse in 2007 can be effective in preventing shoulder instability in patients with significant bone loss of up to 30%...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28214401/association-between-loss-of-bone-mass-due-to-short-sleep-and-leptin-sympathetic-nervous-system-activity
#18
Nagato Kuriyama, Masaaki Inaba, Etsuko Ozaki, Yutaro Yoneda, Daisuke Matsui, Kanae Hashiguchi, Teruhide Koyama, Komei Iwai, Isao Watanabe, Rika Tanaka, Chie Omichi, Shigeto Mizuno, Masao Kurokawa, Motoyuki Horii, Fumitoshi Niwa, Koichi Iwasa, Shinsuke Yamada, Yoshiyuki Watanabe
BACKGROUND: Sleep has been reported to be an important factor in bone metabolism, and sympathetic nervous system activity has been reported to regulate bone metabolism. In this study, we evaluated the association between sleep, sympathetic nervous system activity, and bone mass. METHODS: The study subjects were 221 individuals (108 males; 113 females; mean age: 55.1±7.0years) divided into two groups: those who slept for less than 6h a day (short sleep [SS] group), and those who slept 6h or longer (normal sleep [NS] group)...
February 10, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28214400/association-between-bisphosphonate-therapy-and-outcomes-from-rehabilitation-in-older-people
#19
James A Goodbrand, Lloyd D Hughes, Lynda Cochrane, Peter T Donnan, Mark McGilchrist, Helen Frost, Marion E T McMurdo, Miles D Witham
BACKGROUND: Bisphosphonate therapy may have actions beyond bone, including effects on cardiovascular, immune and muscle function. We tested whether bisphosphonate treatment is associated with improved outcomes in older people undergoing inpatient rehabilitation. METHODS: Analysis of prospectively collected, linked routine clinical datasets. Participants were divided into never users of bisphosphonates, use prior to rehabilitation only, use after rehabilitation only, and current users (use before and after rehabilitation)...
February 11, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28214395/ossified-dysraphic-hamartoma-with-lipomyelocoele-lipomyelomeningocoele-a-rare-radiological-entity
#20
Sudha Bindu Tirumani, Raghavendra Prasad, Vijaya Kumari Mudunoor, Suman Chandra Aemjal, Harika Tirumani, Saurabh Rohatgi
Traditionally the presence of fat in closed spinal dysraphism has been referred to as spinal lipoma. Recent reports suggest that these spinal lesions are better described as spinal hamartomas due to the unencapsulated and infiltrating nature of the fat and presence of other heterotopic soft tissue. The presence of ossified bone in spinal hamartomas referred to as ossified dysraphic hamartoma, is extremely rare with only three case reports in literature, all associated with lipomyeloceles, none with lipomyelomeningoceles...
January 31, 2017: Clinical Imaging
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